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Finding the Fourth Proportional to 525,615.40, 787,515.90 and 244,556.20

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Solution

The fourth proportional to 525,615.40, 787,515.90 and 244,556.20 is: 366,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,615.40 : 787,515.90 = 244,556.20 : x
  2. Step 2: Convert to fraction form
    525,615.40/787,515.90 = 244,556.20/x
  3. Step 3: Cross multiply
    525,615.40x = 787,515.90 × 244,556.20
  4. Step 4: Simplify right side
    525,615.40x = 192,591,895,943.58
  5. Step 5: Solve for x
    x = 192,591,895,943.58/525,615.40
  6. Step 6: Final answer
    x = 366,412.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.